---
name: "std::_Function_base"
section: "3"
platform: "linux"
package: "gcc"
version: "16.2.1+r23+gd564253eb6c8-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/std::_Function_base"
---

# std::\_Function\_base(3)

Base class of all polymorphic function object wrappers.

## NAME

std::\_Function\_base - Base class of all polymorphic function object wrappers.

## SYNOPSIS

\#include \<functional\>

Inherited by **std::function\< \_Res(\_ArgTypes...)\>** \[private\].

### Public Types

using **\_Manager\_type**\

### Public Member Functions

bool **\_M\_empty** () const\

### Public Attributes

\_Any\_data **\_M\_functor**\
 \_Manager\_type **\_M\_manager**\

### Static Public Attributes

static const size\_t **\_M\_max\_align**\
 static const size\_t **\_M\_max\_size**\

## Detailed Description

Base class of all polymorphic function object wrappers.

## Author

Generated automatically by Doxygen for libstdc++ from the source code.